Related Manuals for Carrier 39HXC
Summary of Contents for Carrier 39HXC
- Page 1 C O N T R O L S M A N U A L 39HXC - 39HXE - 39HXV Translation of the original document...
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Page 3: Table Of Contents
CONTENTS 1 - PREAMBLE ....................................4 2 - REGULATING CONTROLLER ..............................5 2.1 - Introduction....................................5 2.2 - Inputs/outputs .................................... 5 2.3 - Alphanumeric terminal ................................8 2.4 - Touchscreen terminal ................................10 3 - FEATURES ....................................16 3.1 - Management of on and off modes ............................16 3.2 - Managing setpoints ................................. -
Page 4: Preamble
1 - PREAMBLE This air handling unit is managed by its PLC. In addition to its control functions, it also monitors and detects any faults with the air handling unit. An HMI terminal associated with the PLC is used to view and modify the following parameters: - Values of connected sensors - Unit on/off cycles - Calibration of the sensors... -
Page 5: Regulating Controller
2 - REGULATING CONTROLLER 2.1 - Introduction The control PLC is used to control and monitor the operating status of the various components of the air handling unit. Depending on the options, it controls the temperature, manages the fans, monitors filter fouling and the air quality level. It can be connected to a CMS so that it can be controlled remotely. 2.2 - Inputs/outputs The PLC has analogue and on/off inputs/outputs. The list of inputs/outputs is described below (depending on the options installed). ... - Page 6 2 - THE CONTROL PLC Connector Input Type Description +24 Vac power supply Shared 0-10V Supply air duct pressure sensor or air quality measurement sensor Temperature sensor (see assignment table below) Temperature sensor (see assignment table below) Shared Temperature sensor (see assignment table below) Supply air temperature sensor in the additional casing +Vdc Power supply to unit internal pressure sensors...
- Page 7 Electric heater stage 2 control or preheater control NO13 On/off Pump 2 control +24 Vac power supply Assignment of pressure and temperature sensors, depending on the unit type Unit type 39HXE 39HXC 39HXV Supply air temperature sensor J2-U3 J2-U3 J2-U3 Return air temperature sensor J2-U2...
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Page 8: Alphanumeric Terminal
2 - THE CONTROL PLC 2.3 - Alphanumeric terminal The terminal is supplied equipped with an alphanumeric screen (8 lines x 22 characters) and 6 keys. It is connected to connector J15 on the PLC via a telephone cable. It is used to modify the programme parameters and view the machine state. 2.3.1 - Machine status The terminal is used to view the machine state. - Page 9 2 - THE CONTROL PLC Control active Indicates the operating status Operating status Description Damper opening The isolation damper is in the process of opening Ventilation start-up The ventilation is in the process of starting up Control active The control functions are active Certain control functions are not authorised (e.g.: flow rate insufficient for operation of the ...
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Page 10: Touchscreen Terminal
2 - THE CONTROL PLC 2.3.3 - Buttons The 6 keys on the interface are used to change the parameters, acknowledge faults, and switch the unit on or off. The operation of these keys is described below. Button Description Used to go up one level in the menu tree and access the machine status menu from the general menu This button is used to view the faults on the display and indicates the presence of a fault: Acknowledgement of a fault. - Page 11 2 - THE CONTROL PLC Pressing on each component will access the corresponding reading parameters. A ring positioned beside each component indicates its status: - Grey: inactive - Green: in operation - Orange: maintenance fault - Red: danger fault Machine status The machine status is displayed by clicking ■...
- Page 12 2 - THE CONTROL PLC 2.4.2 - Menu bar Go back to the home screen Go back to the top menu level Parameter search Select the access level No active faults. Fault present (in this case, the LED bar is lit, red for danger faults, and yellow for maintenance faults). Link to the list of active faults.
- Page 13 2 - THE CONTROL PLC Main menu Sub-menu 1 Sub-menu 2 Access level Ventilation Filters Coils Heat recovery units Dampers Pumps Value reading Inputs / Outputs Temperatures Counters Setpoint change status Intake FMA EC FMA Exhaust FMA Temperature curves Curves Ventilation curves Filter curves Language...
- Page 14 2 - THE CONTROL PLC Accessing the parameters In each parameters table, it is possible to scroll down the table with a finger. In the setpoint or setting parameters table, it is possible to modify a value by pressing on it. A numeric pad will open, indicating the possible setting range (min. and max.), and this must be validated via It is possible to seek a parameter from its number.
- Page 15 2 - THE CONTROL PLC Pressing brings up the curve settings: zoom out on the vertical axis zoom out on the vertical axis zoom reset change horizontal axis duration save values to csv on USB stick (level 3?)
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Page 16: Features
3 - FEATURES 3.1 - Management of on and off modes The unit can be started by the terminal or by the CMS. Parameter P716 is used to authorise or deny CMS control of the unit. When the unit is operating, an on/off "remote control" input is used to stop the unit. This may have been previously started up by the HMI in the ON position. The unit's various operating modes can also be programmed (see time schedule 3.17). -
Page 17: Mixing Damper
3 - FEATURES 3.4 - Mixing damper If a mixing damper is present in the unit (P27 = with), it is necessary to configure its opening time (P166). Mit den Parametern P208 und P209 kann eine Mindest-Öffnung eingestellt werden. The damper operates with 100% fresh air in night cooling or free cooling mode. It is modulated when there is an air quality requirement. If there is a mixing damper present and the mixing opening demand is greater than 95%, then the outdoor side isolation dampers (if present) close. - Page 18 3 - FEATURES Heating PID Temperature setpoint 1 in heating mode Temperature setpoint 2 in heating mode Temperature control PID proportional band (P) in heating mode Temperature control PID integral time (I) in heating mode Temperature control PID derivative time (D) in heating mode Supply air limitation When control is being applied to the return air or room air, the supply air temperature can be limited.
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Page 19: Fan Control
3 - FEATURES Supply air compensation When control is being applied to the return air or room air, the supply air temperature can be compensated. This compensation is used avoid blowing air at too cold or too high a temperature when the control is in deadband mode (no heating or cooling requirement calculated). - Page 20 Min. flow rate Max. flow rate Min. flow rate Model (P1) Model (P1) (P110) (P111) (P110) (P111) 39HXC 010 Alu 1200 m 300 m 39HXE 030 Alu 4500 m 700 m 39HXE 040 Alu 5700 m 900 m 39HXC 010 PP...
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Page 21: Energy Recovery
3 - FEATURES Air intake fan Air intake ventilation control Air intake fan Air extraction ventilation control Multiplication factor value of the signal sent by the air extraction fan with pressure control in the supply air duct 3.8 - Energy recovery 3.8.1 - Recovery operation The unit has a variable speed rotary heat exchanger or a plate heat exchanger. -
Page 22: Coils
3 - FEATURES 3.9 - Coils The unit may contain two coils (hydraulic and/or electric). These coils are configured using parameters P28, P29 and P32. They may be a cooling coil, a heating coil or a mixed coil (heating or cooling according to the network temperature), or an electric heater. If a coil is ducted, there is an internal supply air temperature sensor situated at the machine outlet, and an additional sensor situated at the ducted coil outlet. -
Page 23: Free Cooling
Minimum flow rate for electric heater operation Minimum flow rates depending on the unit model: Electric heater min. flow rate Electric heater min. flow rate Model (P1) Model (P1) (P126) (P126) 39HXC 010 Alu 500 m 39HXE 030 Alu 1500 m 39HXE 040 Alu 2000 m 39HXC 010 PP 500 m 39HXE 050 Alu... -
Page 24: Co Air Quality
3 - FEATURES 3.12 - CO air quality Before activating the air quality function (P152), you need to install a CO sensor in the exhaust air flow, and connect it to the terminal strip situated in the electrics box. Refer to the unit's manual for the installation and electrical connection. This function calculates an IAQ (Indoor Air Quality) requirement thanks to a proportional controller (P217) so that the CO concentration setpoint (P216) can be monitored. -
Page 25: Remote Control In Th-Tune Room
3 - FEATURES 3.14 - Remote control in Th-Tune room The Th-Tune (optional) is a room thermostat and is used as a room temperature sensor. It is used to display the unit status (setpoints, operating status, ventilation status). It is used to modify temperature setpoint 1 and force operation to setpoint 1 or 2. To connect the Th-Tune to the terminal strip located in the electrics box, refer to the unit's wiring diagram. -
Page 26: Temperature Setpoint Compensation
3 - FEATURES Current unit status Symbols Description Active fault present (maintenance) Fire fault active Symbol flashing: ventilation starting Symbol off when the ventilation is in a steady state Setpoint monitored Symbols Description Setpoint 1 in progress Setpoint 2 in progress Temperature, setpoint, time (central part of screen) Symbols Description Indicates the ambient temperature if the unit is running, otherwise OFF indicated if the unit is shut down or with a danger fault. -
Page 27: Downgraded Fresh Air Flow Rate
3 - FEATURES The calculated compensations are added to the selected setpoint 1 or 2 to give the setpoint value to be used. Temperature setpoint compensation activation 270,1 Heating compensation start fresh air temp 270,2 Heating compensation end fresh air temp. 270,3 Heating compensation max. setpoint difference (-10.0°C / 10.0°C) 270,5... -
Page 28: Access Level
3 - FEATURES When the ranges overlap, the priority, from least to most important, is as follows: 1. Off 2. Frost protection 3. Night cooling 4. On setpoint 2 By default (no time schedule within the range), the machine is in setpoint 1 mode. The annual programming takes priority over the weekly programming. -
Page 29: Managing The Connection Between Controllers And Alphanumeric Terminals
4 - MANAGING THE CONNECTION BETWEEN CONTROLLERS AND ALPHANUMERIC TERMINALS This section applies only to alphanumeric terminals. The touch screen terminal does not need to be addressed; it dialogues directly with the controller at address 1, and does not manage communication with other controllers. The touch screen cannot be used to network multiple controllers on the pLAN. -
Page 30: Electrical Connections For The Plan (Local Area Network)
4 - MANAGING THE CONNECTION BETWEEN CONTROLLERS AND ALPHANUMERIC TERMINALS 4.3 - Electrical connections for the pLAN (local area network) 4.3.1 - Connecting controllers to the pLAN The electrical connection between the controllers under the pLAN (RS485) is carried out using an AWG20/22 shielded cable composed of a twisted pair and a shield. -
Page 31: Addressing The Plan
4 - MANAGING THE CONNECTION BETWEEN CONTROLLERS AND ALPHANUMERIC TERMINALS 4.4 - Addressing the pLAN 4.4.1 - Operation Once the controllers are connected over the pLAN network, the controllers and the terminals must be addressed. The range of addresses usable is from 1 to 32. This means that a total of 32 controllers and terminals can be connected over the pLAN. - Page 32 4 - MANAGING THE CONNECTION BETWEEN CONTROLLERS AND ALPHANUMERIC TERMINALS 4.4.2 - Modifying the HMI LCD terminal addresses It is only possible to modify the address of the terminal when it is connected to the controller (telephone connector) and when the controller is powered on. - To enter configuration mode, simultaneously press the ...
- Page 33 4 - MANAGING THE CONNECTION BETWEEN CONTROLLERS AND ALPHANUMERIC TERMINALS From a terminal To modify the address for the controllers: - The terminal must have an address set to 0 (see the procedure in section 4.4.2) - Switch off the power - Once the machine is re-energised, press the buttons simultaneously until the screen below is displayed, then release.
- Page 34 4 - MANAGING THE CONNECTION BETWEEN CONTROLLERS AND ALPHANUMERIC TERMINALS 4.4.5 - Checking the pLAN address The pLAN address is displayed at the top of the main screen, in the centre. It is also possible to access parameter P720 in the configuration parameters, so as to read the controller address on the pLAN.
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Page 35: Connecting To A Cms
5 - CONNECTING TO A CMS The controller may be connected to a local or remote supervision PC via most communication protocols (ModBus RTU, ModBus IP, LonWorks, KNX or BACnet IP). Using KNX, LonWorks, ModBus IP or BACnet IP requires the installation of optional boards. The Modbus/BACnet, KNX and LON communication tables are available separately. -
Page 36: Modbus Tcp/Ip And Bacnet Ip
5 - CONNECTION TO A CMS 5.2 - Modbus TCP/IP and BACnet IP Configuring the board MAC address Ethernet LED Status LED Pushbutton Earth connector The board is factory fitted. If this is not the case, switch off the controller and insert the board in J13 (entitled BMS card or BMS1) on the controller. Press the button found on the board whilst switching the power to the controller back on. The left-hand LED will start to flash rapidly. Keep pressing the reset button. After approximately 8 seconds, the left-hand LED (status LED) changes from green to red, and then starts flashing. At this point, release the button. - Page 37 5 - CONNECTION TO A CMS A new window will open. In the left-hand section, select Change adapter settings. Right-click with the mouse on the name of the network connection you wish to configure. In the menu which appears, select Properties. Select the row Internet Protocol Version 4 (TCP/IPv4). Click the Properties button.
- Page 38 5 - CONNECTION TO A CMS Once these elements have been modified, connect a network cable between your PC and the board. Open an internet browser (Internet explorer, Chrome, Firefox, etc.) and enter http://172.16.0.1 in the address bar You will now be connected to the web server. For access, the login is: admin The password is fadmin Click in the Configuration menu, and select the Network tab.
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Page 39: Lon
5 - CONNECTION TO A CMS Next, in the BACnet tab (for BACnet communication), check that this is activated and set the parameters as required. Once complete, confirm the page, disconnect your PC, restart the PLC and connect it to the network. For use with Modbus TCP/IP, configure P700 = Modbus TCP. For use with BACnet IP, configure P700 = BACNET IP. The PLC only manages Bacnet variables in Binary format (address type DXXX) and Analogue format (address type AXXX). By default the instance number is 77000. - Page 40 5 - CONNECTION TO A CMS To validate the LON communication protocol on the PLC, adjust the following values in the "Communication" menu on the user terminal: - P700 = Protocol = LON - P716 = Control type = Local for LON access to the read-only variables (nvo) Remote for LON access to the read and write datapoints (nvi/nvo) The manufacturer does not provide a system start-up, configuration, parameter setting or LonWorks network addressing service. The ...
- Page 41 5 - CONNECTION TO A CMS Give this model a name and, in the description box, select the xif provided using the " ... " key. The air handling unit controller will now appear in the list of node models, which will enable as many controllers to be created in the database as there are controllers present on the network.
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Page 42: Knx
5 - CONNECTION TO A CMS 5.4 - KNX The use of KNX requires an optional board. The board is factory fitted. If this is not the case, switch off the controller and insert the board in J13 (entitled BMS card or BMS1) on the controller. The bus used is a TP1, with a transmission speed of 9600 Bds. This bus requires a specific external power supply. Green Push button Meaning Cause / solution Check the configuration: No communication between KNX board and the - controller address incorrect Constantly lit controller. - Page 43 5 - CONNECTION TO A CMS Configuration process The first step of the configuration is performed OFFline (i.e. disconnected from the network). It consists of defining, within ETS, the list of products used in the project and of defining the group addresses (i.e. the data which will be exchanged between the KNX controllers). To do so, the manufacturer supplies a knxproj file (ETS compatible from version 5.6) describing the KNX communication table for the delivered controller. This file contains a preconfigured PLC model, which can be duplicated as many ...
- Page 44 5 - CONNECTION TO A CMS The assignment of the individual address, and the loading of the addresses and parameters are carried out as normal, for any other KNX product.
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Page 45: Commissioning
6 - COMMISSIONING 6.1 - Actions required prior to commissioning To perform commissioning on the air handling unit, it is necessary to check that the electric wiring complies with the diagram and with best industry practice. The air handling and hydraulic circuits must be compliant and in working order. Once these actions are complete, it is necessary to complete the "assembly completion notice"... -
Page 46: Faults
7 - FAULTS When the PLC detects an issue, it triggers a fault. 7.1 - Type of faults Faults may either be "maintenance" or "danger" type faults. "Maintenance" faults are information provided to the user and signal that the unit is not operating correctly, but that this does not have any immediate consequences (a fouled filter, for example). These may be cleared once the issue has been resolved. -
Page 47: Diagnostics
7 - FAULTS 7.5 - Diagnostics Fault Sources Causes Solutions The circuit breaker has been Check the wiring and the components triggered Powered down The power supply has been cut Voluntary stop Empty Triggered by the fume detector or by The "fire protection" contact has ... - Page 48 7 - FAULTS Fault Sources Causes Solutions Operating problem with the supply Check the operation of the sensor air temperature sensor Supply air temperature too The supply air temperature is below Operating problem with the heating Check the operation of the valves, heat the fixed limit P240 elements recovery unit, mixing box, etc.
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Page 49: Parameters
Visible as read-only 1: M5 2: F7 3: F9 Intake filter type 4: M5 + F7 5: M5 + F9 P1 = 39HXE or 39HXC or 39HXV 6: F7 + F9 as per P1 Intake filter coefficient and P7 Characteristics of the pressure sensor for the 1 : 0-1000 Pa 0,5-4,5V air intake filter... -
Page 50: Setting Parameter
1: Plate Heat recovery unit as per P1 Read-only 3: Gradual speed heat recovery unit P01 = 39HXE or 39HXV Differential pressure sensor on the heat 0: Without or (P01 = 39HXC and P31 Electric recovery unit 1: With preheater = without) Heat recovery unit outlet temperature sensor, 0: Without intake side 1: With 0: None P28 Coil 1 = Hot water ... - Page 51 8 - PARAMETERS Setting Access Description Unit Display conditions level Enumeration By default P104 Intake ventilation control = Duct pressure P160 Setpoint 1/setpoint 2 selection = time sched/CMS or on/off input or Air intake duct pressure setpoint 2 on/off override P161 Application of setpoint 1/ setpoint 2 selection = ventilation or temperature + ventilation Air intake duct pressure control PID P104 Air intake ventilation control = ...
- Page 52 8 - PARAMETERS Setting Access Description Unit Display conditions level Enumeration By default P104 Intake ventilation control = Exhaust duct pressure control PID Duct pressure proportional band (P) P105 Exhaust ventilation control = Duct pressure P104 Intake ventilation control = Duct pressure Exhaust duct pressure control PID integration time (I) P105 Exhaust ventilation control = Duct pressure P104 Intake ventilation control = ...
- Page 53 8 - PARAMETERS Setting Access Description Unit Display conditions level Enumeration By default Heating or cooling change authorisation time delay Temperature setpoint 1 in cooling mode 25,0 °C P160 Setpoint 1/setpoint 2 selection = time sched/CMS or ON/OFF input or on/off override Temperature setpoint 2 in cooling mode 30,0 °C P161 Application of setpoint 1/...
- Page 54 8 - PARAMETERS Setting Access Description Unit Display conditions level Enumeration By default Heat recovery unit min. flow rate pressure P37 Heat recovery unit pressure as per P1 drop threshold sensor = With Heat recovery unit max. flow rate pressure P37 Heat recovery unit pressure as per P1 drop threshold sensor = With Temperature difference for recovery unit run °C authorisation P36 Heat recovery unit = Gradual ...
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Page 55: Reading Parameter
8 - PARAMETERS Setting Access Description Unit Display conditions level Enumeration By default 271,1 Downgraded mode start fresh air temperature 10,0 °C P271 = With 271,2 Downgraded mode end fresh air temperature -20.0 °C P271 = With 271,3 % min. flow rate in downgraded mode 30,0 P271 = With 0: off P24 = with 1: Intake override/exhaust stop Fire safety operating mode 2: Exhaust override/intake... - Page 56 8 - PARAMETERS Setting Access Description Unit Display conditions level Enumeration Min. Max. Increment Heat recovery unit outlet P38 Temperature sensor upstream -99,0 99,9 °C temperature, intake side of heat recovery unit = With Heat recovery unit pressure drop P37 Differential pressure sensor calculated threshold on the heat recovery unit = With P37 Differential pressure sensor Heat recovery unit DP 1000 on the heat recovery unit = With air quality...
- Page 57 8 - PARAMETERS Setting Access Description Unit Display conditions level Enumeration Min. Max. Increment P32 Electric heater = 1 on/off stage 0: off Stage 1 electric heater or 2 on/off stages 1: on or 1 gradual stage or 1 gradual stage + 1 on/off stage P32 Electric heater = 1 on/off stage Stage 1 electric heater operating- 999999,9 or 2 on/off stages hour meter or 1 gradual stage or 1 gradual stage + 1 on/off stage P32 Electric heater =...
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Page 58: Versions
8 - PARAMETERS 8.4 - Versions Description Access level AHU software version AHU Bios version AHU boot version SO number 8.5 - Fault level Setting Access Description Display conditions level Enumeration By default 0: Maintenance Air intake filter 1 fouled 1: Danger 0: Maintenance Exhaust filter 1 fouled 1: Danger P32 Electric heater = 1 on/off stage... -
Page 59: Communication Parameters
8 - PARAMETERS 8.6 - Communication parameters Setting Access Description Display conditions level Enumeration By default BMS1 0: None 1: MODBUS RTU 2: LON Selection of the type of communication 3: KNX protocol used on the BMS1 port 4: MODBUS TCP 5: BACNET IP 6: WEB 0: 1200... -
Page 60: Sw Direction
8 - PARAMETERS 8.8 - SW direction Access Description Enumeration Display conditions level 0: Normally Open Remote control input direction 1: Normally Closed Setpoint 1/Setpoint 2 input direction 0: NO for setpoint 1 P160 setpoint 1/setpoint 2 1: NC for setpoint 1 selection = ... -
Page 61: Prioritisation
8 - PARAMETERS 8.9 - Prioritisation Setting Access Description Unit Display conditions level Min. Max. Increment Heat recovery unit operation start cooling P903 percentage Heat recovery unit operation end cooling percentage P902 P28 Water coil no.1 = Cooling Coil 1 operation start cooling percentage P905 or Mixed P28 Water coil no.1 = Cooling ... - Page 64 Order No : EN7565708-02, 01.2021 - Supersedes order No: EN7565708-01, 10.2020. Manufacturer: CIAT SA, Culoz, France. Manufacturer reserves the right to change any product specifications without notice. Printed in the European Union.